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Adsorption of sulfate in aqueous solutions by organo-nano-clay: Adsorption equilibrium and kinetic studiesCHEN Wei(陈卫)1, LIU Hai-cheng(刘海成)1, 2(1. College of Environment, Hohai University, Nanjing 210098, China;2. Department of Environmental and Municipal Engineering, Henan University ofUrban Construction, Pingdingshan 467036, China)Abstract:The adsorption of sulfate in aqueous solutions onto......
Diffusion Characteristic of Sulfate Anion in Surface Region of Cement Mortar at Early Stage王学兵1,潘志华1,SHEN Xiaodong1,CHEN Yangyi1,LIU Weiqing21. College of Materials Science and Engineering,Nanjing... in sulfate solution at early stage were measured by layered sampling method combined with chemical analysis, and the diffusion coefficients of SO42-anions in surface region of mortar into internal area......
Preparation, Characterization, and Formation Mechanism of Calcium Sulfate Hemihydrate Whiskers王舒州1,陈德玉1,ZHANG Keke21. School of Materials Science and Engineering, Southwest University of Science and Technology2. Institute of Chemical Engineering, Nanjing University of Science and Technology摘 要:Calcium sulfate hemihydrate whiskers were synthesized......
Effects of Cu2+ on variations of ferrous oxidation activity(a), inhibition efficiency of ferrous oxidation in 24 h(b), rate of ferrous oxidation during logarithmic stage(c) and oxidation... of heavy metals on growth and ferrous sulphate oxidation by Acidithiobacillus ferrooxidans in pure and mixed cultures[J]. Process Biochemistry, 2005, 40(8): 2683-2687. [9] 叶茂友, 严苹方, 孙水裕, 韩大建, 庄圣炜, 郑 莉, 黄绍松......
Reduction of lead sulfate to lead sulfide with carbon monoxideZHENG Yong-xing(郑永兴), LIU Wei(刘维), QIN Wen-qing(覃文庆), JIAO Fen(焦芬), HAN Jun-wei(韩俊伟), YANG Kang(杨康), LUO Hong-lin(罗虹霖) (School... of the activation energy is 47.88 kJ/mol.Key words:lead sulfate; reduction; carbon monoxide; lead sulfide; pyrometallurgy......
; 文章编号:1672-7207(2013)06-2186-06 Improvement of barium sulfate turbidimetry for determination of sulfate concentration in complex bioleaching samples PENG Anan1, 2, LIU... of Ministry of Education, Central South University, Changsha 410083, China) Abstract: In order to improve the BaSO4 turbidimetry in determining sulfate concentration in the complex bioleaching......
mechanical properties of cement mortar in sodium sulfate and sodium chloride solutionsXIONG Liang-xiao(熊良宵)1, 2, YU Li-jun(虞利军)3(1. Faculty of Architectural, Civil Engineering and Environment, Ningbo... and Foundation Company, Ningbo 315040, China)Abstract:To investigate the mechanical properties of cement mortar in sodium sulfate and sodium chloride solutions, uniaxial compression test and ultrasonic test......
Effect of Sulfate Ions on YAG Powders Synthesized by Microwave Homogeneous Precipitation王介强,徐红燕,王勇,岳云龙摘 要:<正>Using A1(NO3)3·9H2O, NH4Al(SO4)2·12H2O... analyzed by IR, XRD and TEM. The size distribution of YAG powders was characterized using laser diffraction method. The results show that sulfate ions influence the dispersion, composition and morphology......
Existing form of Mo(Ⅵ) in acidic sulfate solutionMing-Yu Wang,Chang-Jun Jiang,Xue-Wen Wang,Peng-Fei Xian,Hua-Guang Wang,Yang YangSchool of Metallurgy and Environment,Central South University摘 要:The existing form of molybdenum in acidic sulfate solution was studied by means of ion exchange,infrared(IR) spectra and X-ray photoelectron spectroscopy(XPS......
Determination of vanadyl sulfate ion-pair dissociation constant at 298.15 K by Fuoss methodShu-Di Zhang1,2,Pei-Hua Ma1,Yu-Chun Zhai1,Wei-Min Chen21. School of Materials and Metallurgy, Northeastern... battery electrolyte,the ion-pair is dominant.The ion-pair dissociation constant is one of the important thermodynamic data related to battery performance.The vanadyl sulfate conductivity in aqueous......
